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Inflammatory Pseudotumor of the Lung: Case Report FREE TO VIEW

Ionela Belaconi, MD; Claudia Toma, MD; Stefan Dumitrache-Rujinski, MD; Alina Croitoru, MD; Miron Bogdan, PhD
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Marius Nasta Institute of Pneumology, Bucharest, Romania

Chest. 2014;145(3_MeetingAbstracts):313A. doi:10.1378/chest.1835927
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SESSION TITLE: Cancer Case Report Posters II

SESSION TYPE: Case Report Poster

PRESENTED ON: Sunday, March 23, 2014 at 01:15 PM - 02:15 PM

INTRODUCTION: Inflammatory psedotumor of the lung is a rare, quasineoplastic lung tumor of unknown etiology. It occurs most often in young adults

CASE PRESENTATION: We present the case of a 63 years-old male patient, smoker (52 pack years), with a 4 years history of exertion dyspnea and dry cough and diagnosis of chronic obstructive pulmonary disease GOLD stage III, grade D. He was admitted in our clinic for recurrent mild hemoptysis in the last three months. Postero-anterior chest radiography was normal. Contrast enhanced CT-scan showed ill-defined 3,5cm tumoral mass in the right lower lobe. Bronchoscopy was normal, bronchoalveolar lavage without tumor cells. Because this tumoral mass could be a lung cancer in a heavy smoker patient with associated COPD, further investigations were made: spirometry, pletismography, and DLco, 6MWT, and echocardiography. The medical decision was to perform a right lower lobe lobectomy. The patient had a slow recovery, due to impairment of lung function. Histopathology showed no evidence of malignancy with the presence of inflammatory cells (plasma cells and spindle cells) and necrosis. Patient had no recurrence after one year of survey.

DISCUSSION: We report the clinical case because inflammatory pseudotumor of the lung is a very rare cause of lung tumor mass.

CONCLUSIONS: Although pulmonary inflammatory pseudotumors are considered benign, they can be very aggressive locally or cause metastasis. The differential diagnosis is usually with lung cancer and the deffinitive diagnosis is made on histopathological exam. If possible, complete surgical resection is necessary and can cure the disease. Extended follow-up is required in these patients.

Reference #1: Surgical management of pulmonary inflammatory pseudotumors: a single center experience. Mondello B, Lentini S, Barone M, Barresi P, Monaco F, Familiari D, La Rocca A, Sibilio M, Acri IE, David A, Monaco M. J Cardiothorac Surg. 2011 Feb 23;6:18. doi: 10.1186/1749-8090-6-18. PMID:21345228

DISCLOSURE: The following authors have nothing to disclose: Ionela Belaconi, Claudia Toma, Stefan Dumitrache-Rujinski, Alina Croitoru, Miron Bogdan

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